17982111

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{23143}}^1$

素因数の和:23190

約数の個数: 16

約数和(自身を含む): 28143104

約数和(自身を除く): 10160993

約数列:

[1, 3, 7, 21, 37, 111, 259, 777, 23143, 69429, 162001, 486003, 856291, 2568873, 5994037, 17982111]

約数ペア:

[(1, 17982111), (3, 5994037), (7, 2568873), (21, 856291), (37, 486003), (111, 162001), (259, 69429), (777, 23143)]